
class LogicalMemory(object):
    
    data_set_list = list()
    data_format = object()
    
    def __init__(self):
        pass
        
    def addDataSet(self, data_set):
        '''
        data_set -- a instance of DataSet
        '''
        self.data_set_list.append(data_set)
    
    def getBinaryData(self):
        pass